What Tools Help Us Study Changes?

Last updated at April 25, 2026 by

We use simple materials to observe and test changes.
Example
— Lime water , litmus paper , baking soda , vinegar
These help us identify whether a change is physical or chemical.
Let's learn about these in detail step by step.

Tools for Studying Changes Test Materials = Lime water, litmus paper Common Chemicals = Baking soda, vinegar Purpose = Identify type of change
Changes Around Us: Physical and Chemical 5.1 A Substance May Change in Appearance but Remain the Same! 5.2 A Substance May Change in Appearance and Not Remain the Same!
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CA Maninder Singh is a Chartered Accountant with 16+ years of practical experience and 20+ years of teaching experience. At Teachoo, he simplifies Accounts, Tax and GST with step-by-step examples so students can apply concepts confidently in exams and real life.

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